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#! /usr/bin/env python
from __future__ import absolute_import
'''Public and private key validity and formatting tests.'''
import jmbitcoin as btc
import binascii
import json
import pytest
import os
testdir = os.path.dirname(os.path.realpath(__file__))
def test_read_raw_privkeys():
badkeys = ['', '\x07'*31,'\x07'*34, '\x07'*33]
for b in badkeys:
with pytest.raises(Exception) as e_info:
c, k = btc.read_privkey(b)
goodkeys = [('\x07'*32, False), ('\x07'*32 + '\x01', True)]
for g in goodkeys:
c, k = btc.read_privkey(g[0])
assert c == g[1]
def test_wif_privkeys_invalid():
#first try to create wif privkey from key of wrong length
bad_privs = ['\x01\x02'*17] #some silly private key but > 33 bytes
#next try to create wif with correct length but wrong compression byte
bad_privs.append('\x07'*32 + '\x02')
for priv in bad_privs:
with pytest.raises(Exception) as e_info:
fake_wif = btc.wif_compressed_privkey(binascii.hexlify(priv))
#Create a wif with wrong length
bad_wif1 = btc.bin_to_b58check('\x01\x02'*34, 128)
#Create a wif with wrong compression byte
bad_wif2 = btc.bin_to_b58check('\x07'*33, 128)
for bw in [bad_wif1, bad_wif2]:
with pytest.raises(Exception) as e_info:
fake_priv = btc.from_wif_privkey(bw)
#Some invalid b58 from bitcoin repo;
#none of these are valid as any kind of key or address
with open(os.path.join(testdir,"base58_keys_invalid.json"), "r") as f:
json_data = f.read()
invalid_key_list = json.loads(json_data)
for k in invalid_key_list:
bad_key = k[0]
for netval in ["mainnet", "testnet"]:
#if using pytest -s ; sanity check to see what's actually being tested
print 'testing this key: ' + bad_key
#should throw exception
with pytest.raises(Exception) as e_info:
from_wif_key = btc.from_wif_privkey(bad_key,
btc.get_version_byte(bad_key))
#in case the b58 check encoding is valid, we should
#also check if the leading version byte is in the
#expected set, and throw an error if not.
if chr(btc.get_version_byte(bad_key)) not in '\x80\xef':
raise Exception("Invalid version byte")
def test_wif_privkeys_valid():
with open(os.path.join(testdir,"base58_keys_valid.json"), "r") as f:
json_data = f.read()
valid_keys_list = json.loads(json_data)
for a in valid_keys_list:
key, hex_key, prop_dict = a
if prop_dict["isPrivkey"]:
netval = "testnet" if prop_dict["isTestnet"] else "mainnet"
print 'testing this key: ' + key
assert chr(btc.get_version_byte(
key)) in '\x80\xef', "not valid network byte"
comp = prop_dict["isCompressed"]
from_wif_key = btc.from_wif_privkey(
key,
compressed=comp,
vbyte=btc.get_version_byte(key)-128)
expected_key = hex_key
if comp: expected_key += '01'
assert from_wif_key == expected_key, "Incorrect key decoding: " + \
str(from_wif_key) + ", should be: " + str(expected_key)